baber/WOPTO huggingface dataset:
Patent GB-1284154-A (GB)
Title: A syringe kit
IPC: A61M31/00
Filed: 1970-06-09
Abstract: 1284154 Hypodermic syringes INSTITUT MERIEUX 9 June 1970 [10 June 1969] 27935/ 70 Heading A5R A syringe kit consists of a hypodermic syringe having its needle covered by a protective cap 11, said cap being either constricted, as at 10, adjacent the end thereof beyond the point of the needle to facilitate removal of the tip to provide an instillation or spraying orifice therein, or replaceable by an additional cap provided with such an orifice when the protective cap is not constricted. The or each cap may be made of rubber, plastics, metal or glass. The additional cap may be provided with an atomising nozzle.
Patent GB-1513816-A (GB)
Title: Throttle valves for two-line vehicle braking systems
IPC: B60T13/36
Filed: 1975-07-03
Abstract: 1513816 Compressed air tractor-trailer braking systems; valves WABCO WESTING- HOUSE GmbH 3 July 1975 [1 Oct 1947 1 Aug 1974] 27952/75 Headings F2F and F2V A throttle valve 15 is inserted in tractortrailer compressed air two line braking system and is operable to cause leakage of the emergency line if the trailer service line 12a, 12b fractures during a braking operation; the throttle valve 15 comprises a first port I for connection to an emergency line 14b from a three-circuit protection valve 1, a second port II for connection to the emergency line 14c a third port III for connection to a line 9 from a two-circuit tractor-vehicle brake valve 8 and a trailer control valve 11, a fourth port IV for connection to the trailer service line 12a and a throttling device (e.g. 29, 32) controlling communication between ports I, II and responsive to the difference in pressure between ports III, IV. In the throttle valve 15 of Figure 3, chambers 25, 27 separated by a piston 26 are respectively connected to ports III, IV, the piston 26 has a rod sealingly extending through a partition wall 34 into a chamber 33 divided into subchambers, respectively provided with ports I, II, by a partition wall 30 having a throttle opening. Upon a fracture in the trailer service lines 12a, 12b the pressure at port III overcomes the force of a spring 29 to cause piston rod 29 to enter throttle opening 30 which results in leakage of the emergency line. In the throttle valve 15 of Figure 4 (not shown) a spring (127) urges a piston (116) to its throttling position, a cylindrical projection (119) of the piston (116) having a recess (130) to constitute a throttle opening and providing a restoration between ports I, II upon failure in line 23. The ports III, IV are connected to respective chambers (125, 126).
Patent GB-999765-A (GB)
Title: Sound reproduction method and apparatus
Inventor: KEIBS LOTHAR
IPC: H04R5/027
Filed: 1961-08-02
Abstract: 999,765. Stereophony; reverberation. BETRIEBSLABATORIUM FUER RUNDFUNK UND FERNSEHEN. Aug. 2, 1961, No. 27999/61. Heading H4R. A sound pick-up arrangement uses two microphones, 1, 3 (Fig. 3), microphone 1 being located close to a sound source X so as to pick up primarily direct sound and microphone 3 being at a greater distance from the sound source X so as to pick up primarily sound reflected from the walls of the room containing the sound source. Signals from microphone 1 are delayed with respect to those from microphone 3 by a time approximately equal to the transit time of sound between the two microphones 1, 3. The amplitudes of electric signals from the two microphones and the time delay of signals from the first microphone are individually adjustable. Each microphone 1, 3 may be a microphone combination such as is used in stereophony, e.g. each microphone may pick up X/Y or M/S stereophonic signals. Where X/Y stereophony is used, sum and difference signals M and S may be derived by a matrix network. The signals are reproduced by two spaced loudspeakers 7, 8. The effective pickup angle of microphone 3 may be varied to spread or shrink the sound stage where stereophonic techniques are used. The arrangement includes a variable delay device 4 and two variable attenuators 5, 6. A signal derived from microphone 3 may be shifted in phase by an amount varying between #/2 and 3#/2 and added to the signal from microphone 1. The direct signals may be treated in an echo chamber or by a reverberation plate, magnetic sound equipment &c.
Patent GB-489020-A (GB)
Title: Improvements in and relating to percussion fuses for projectiles
IPC: F42C15/22
Filed: 1936-10-15
Abstract: 489,020. Projectile fuzes. BIRKIGT, M. Oct. 15, 1936, No. 28039. Void. Convention date, Sept. 11. [Class 9 (i)] The striker 6 of a direct - action percussion fuze is locked by a transverse centrifugal bolt 7 which is made like a screw to compel it to rotate during its outward movement to cause a delay in the arming of the fuze. The bolt is locked in position by the end of a pin 10 held up by a screw ring 10<1>. When a shot is fired, centrifugal force bends the end of the pin, as shown' in dotted lines, out of engagement with the bolt. The striker 6 may be connected to the closing disc 14. In a modification, the bolt 7 instead of being screw-threaded has a zigzag slot engaged by a projection on the striker so that it is made to oscillate about its axis during its outward movement.
Patent GB-1336459-A (GB)
Title: Method of making rim-stabilized steel ingots
IPC: C21C7/00
Filed: 1971-06-15
Abstract: 1336459 Cooling processes USS ENGS & CONSULTANTS Inc 15 June 1971 [23 June 1970] 28045/71 Heading B3F [Also in Division C7]  A method of casting a rimming steel ingot with a killed steel core comprises teeming rimming steel into a mould until the mould is 90 to 95% full, halting teeming and allowing the steel to rim for ¢ to 2 minutes, recommencing teeming to fill the mould with rimming steel and during the last teeming step adding to the mould 1¢ to 2 lbs of molten aluminium per ton of steel to kill the steel ingot core. The molten aluminium is preferably added to the steel teeming jet e.g. by an air-driven centrifugal pump delivering molten aluminium along a refractory tube. The aluminium delivery should start at least one second after recommencement of teeming and should finish at least one second before the end of teeming.
Patent GB-665073-A (GB)
Title: Process of preparing acid-sensitive drugs for oral administration and the product soproduced
IPC: A61K9/28
Filed: 1949-11-02
Abstract: 665,073. Coatings for acid-sensitive drugs. LOEWE RESEARCH FOUNDATION, Inc., J. Nov. 2, 1949 [Nov. 10, 1948; June 3, 1949], Nos. 28083/49 and 28084/49. Class 81 (i). An acid-sensitive drug is prepared in a form suitable for oral administration by incorporating said drug with an anion exchange resin, which is mixed with the drug or used as a coating therefor. Preferably the drug is first dispersed in a gel and the resin incorporated therein or coated thereon. Such a gel may be further coated with a carboxy alkyl cellulose ether. Specified drugs are penicillin salts, e.g. the sodium, aluminium, iron, magnesium and cobalt salts; penicillin, aureomycin, chloromycetin, streptomycin, bacitracin, subtilin, polymyxin, dihydrostreptomycin; hormones, e.g. estrogens; insulin, adrenalin and heparin. The anion-exchange resin may be natural or synthetic, e.g. aminoformaldehyde resins such as aniline formaldehyde, amino-mono-saccharide condensates, guanidine-formaldehyde resins, alkali treated asphalt and the resins disclosed in French Specification 820,969 and Specification 489,173, [Group IV]. Gel-forming colloids are natural gums; agar, starch, gelatine, casein, soya bean protein, yeast protein, blood protein and albumin. The preparation may be in the form of a pill, tablet or capsule. Other ingredients which may be present are talc, starch, cellulose, alkali-soluble water-insoluble cellulose ethers and higher fatty acids, such as oleic, palmitic and stearic acids. In one example, sodium penicillin is added to aqueous gelatine of pH 5 to 7 and temperature 50‹ C., the mixture cooled, dehydrated, the gel so formed treated with formaldehyde and the mass coated first with aniline formaldehyde resin and then with a 12 per cent free carboxy methyl cellulose ether.
Patent GB-461550-A (GB)
Title: Improvements relating to attachment of animal fibres to bases
IPC: E04B1/64
Filed: 1936-10-16
Abstract: 461,550. Compound sheets. ROBERTSON CO., H. H., and COFFMAN, A. W. Oct. 16, 1936, No. 28186. [Class 140] A fibrous layer composed wholly or in part of animal fibre, e.g. commercial cotton felt, is secured to a base of metal, glass or other material by an adhesive substance resulting from the decomposition under heat of constituents of the animal fibres. The heat is preferably derived from the preheated base layer. A suitable operating temperature for light gauges of steel is between 425 and 475‹ C. As shown, base members 10 are carried through a furnace 21 which may be electrically heated. As each heated base member issues from the furnace, fibrous layers 22 from rolls 24, 25 are applied to the two surfaces and the assemblage is passed between pressure rolls 26, 27.
Patent GB-730636-A (GB)
Title: Improvements in and relating to electric toasting appliances
Inventor: ROE JOHN JAMES AUGUSTUS
IPC: A47J37/08
Filed: 1950-11-18
Abstract: 730,636. Switches held set and freed mechanically. ROEVAC AIR EXTRACTORS (1952), Ltd. Feb. 14, 1952 [Nov. 18, 1950], No. 28240/50. Class 38 (5). [Also in Group VI] In a clockwork or like operated automatic electric bread toaster having vertically slidable bread-supporting members 5, which are lowered by a lever 10 and held by a hook 12, a contact 6, on a plate 14, which carries members 5, engages contacts 7 on the toaster base to complete the heating element circuit when members 5 are lowered the circuit being broken again when the members 5 rise at the end of the toasting time. The clockwork mechanism 19 has a ram 20 forced slowly downwards by a spring 21 controlled by the escapement, and connected to the free end of link 22 pivoted to a plate 18. Link 22 carries a pin 24 moving in the path of a cross-member on lever 10. Link 25 is pivoted to link 22 and is attached by rod 26 to a manually rotatable crank 27, mounted on plate 18, which controls the toasting time. The lower end of link 25 extends downwardly through a slot in the base so that, as ram 20 reaches its lowest position, link 25 engages and displaces a spring-biased lever 29 whose other end engages and releases hook 12 so as to terminate toasting. A push-button 32 may be used at any time to displace hook 12 and terminate toasting.
Patent GB-518442-A (GB)
Title: Electro-mechanical vibration translating systems
IPC: H03F1/36
Filed: 1938-09-29
Abstract: 518,442. Electro-acoustic apparatus; thermionic amplifiers. ELECTRICAL RESEARCH PRODUCTS Inc. Sept. 29, 1938, No. 28295. Convention date, Oct. 7, 1937. [Class 40 (iv)] [Also in Group XL] In an electro-mechanical vibration-translation system, e.g., for recording sound, having a magnetic circuit defining two spaced air gaps 14, 18 and a vibrating assembly comprising a resiliently-mounted member 20 supporting a driving coil 15 in one gap and a driven coil 19 in the other gap, the electrical energy generated by the vibration of the driven coil is fed back to the driving coil in phase opposition to the driving energy and the mass and stiffness of the vibrating assembly are so proportioned that it has a single resonant frequency in the range of frequency over which the system is intended to operate. The gaps are formed by an annular pole piece 13 and a centre pole piece 12 and by a spaced pole piece 16 and an extension 17 secured to the centre pole piece. A shield between the driving and driven coils is provided by rings 26, 27 of copper, and a fixed coil 29 located adjacent to coil 19 is connected in opposition to neutralize current induced in the coil 19 by the field of the driving coil. The coil-supporting member 20 is conical and is resiliently mounted on a diaphragm 24 and supported at its lower end by a V-shaped cantilever spring 23 secured to the pole piece 16. The diaphragm 24, which has a corrugation 25, and the conical member 20 are formed with perforations 28 to prevent the generation of additional resonances. The driving and driven coils may be mounted on a former having cylindrical portions joined by a frusto-conical portion, Fig. 5 (not shown). In a modification, Fig. 6, the upper portion of the former is cylindrical and tapers to a flat portion 70 carrying the driven coil 71 with its plane at right-angles to that of the coil 15. As shown in Fig. 3, the output from the driven coil 19 is fed over a loop 40, 41 and a phase-changing network 42 to the control grid of a valve 32, the output from the microphone 30 and amplifier 31 being fed to the suppressor grid 38 of the valve 32. In addition the amplifier employs negative feed back, and voltage from the output transformer 51 is fed through a phase changing network 45, 46 and a condenser 47 to the grid 44 of a valve 33. A condenser 48 and resistance 49 are also incorporated to minimize feed back at high frequencies. In a modified circuit arrangement, Fig. 8 (not shown), the feed back energy from the driven coil is supplied through a phase-shifting device to the control grid of a pentode valve, the driving energy from the microphone amplifier being applied to the suppressor grid of the valve. In a further modification, Fig. 9, the feed-back impulses from the driven coil 109 of the recorder are fed through a phase-shifting device 120 to a transformer 139 and to the grids 140, 141 of valves 131, 132 in push-pull. The signals to be recorded are fed from the microphone 101 to the driving coil 106 through amplifiers 133, 134 and the valves 131, 132.
Patent GB-631510-A (GB)
Title: Improvements in or relating to paper machines
IPC: D21F2/00
Filed: 1947-10-23
Abstract: 631,510. Fourdrinier paper-making machines. WALMSLEYS (BURY), Ltd., and TEMPERLEY, J. Oct. 23, 1947, No. 28306. [Class 96] After passing over a suction couch roll 12 of a Fourdrinier paper-making machine, the wirecloth 11 passes about a return roll 13 and the web is couched on to a felt 14 at a plain pick-up roll 15 coacting with the roll 13 for removing water from the web. The return roll surface may be grooved circumferentially, axially, or helically, or there may be a helical wire winding on a plain surface or on rods fitted in grooves in spiders. The roll 15 is preferably rubbercovered. Preferably all three rolls are driven.
Patent GB-152028-A (GB)
Title: Improvements relating to the cutting out of stone slabs or bricks from solid rock
IPC: B28D1/06
Filed: 1920-10-06
Abstract: 152,028. B÷hn, I. Oct. 7, 1919, [Convention date]. No Patent granted (Sealing fee not paid). Excavating; slitting-apparatus.-Stone slabs or bricks are cut from solid rock by cutters positively connected to crank or like reciprocating mechanism. The front face of the rock is first smoothed and narrow vertical grooves are blasted at each end of the face, which is then undercut and afterwards cut vertically and horizontally; a final vertical cut parallel to the face detaches the separate blocks or slabs. The machine shown comprises a carriage 1 movable on rails 12 and carrying cutting devices 2, 3. The device 2 comprises holders 5 reciprocated by a motor 11, gearing 10, 9, crank 8, link 7 and levers 6, the holders carrying cutters for making horizontal and vertical grooves, or a separate device may be provided for making the vertical grooves. The device 3 carries the cutters for parting the slabs &c. from the rock.
Patent GB-265687-A (GB)
Title: Improvements relating to collars for personal wear
IPC: A41B3/04
Filed: 1925-11-10
Abstract: 265,687. Eden, L. Nov. 10, 1925. Collars, linen and like; shirts.-Studs are dispensed with in the collar shown in Fig. 1, three buttons b<1>, b<2>, b<3> being provided which engage with corresponding buttonholes e<1>, e<2>, e<3> in the neckband of the shirt, a fourth buttonhole e' being employed to engage the button b<1> after it has passed through the buttonhole e<1>. The buttons are provided, as shown, on the inside of the collar band, and may be engaged by the corresponding buttonholes before donning the shirt, the collar remaining in position, if desired, on the shirt after the latter is removed from the person. The shirt band is of unusual depth so that it occupies substantially the entire height of the space between the collar top and band. The buttons and buttonholes are located high up on their respective bands. In a modification, for use particularly with evening collars, the neckband is sloped downwardly at the front.
Patent GB-444267-A (GB)
Title: New or improved means for facilitating indication of priority in attaining an objector result, or for analogous uses
IPC: A63F1/18
Filed: 1934-10-04
Abstract: 444,267. Electric signalling systems. BESWICK, N. S., 7, The Avenue, and LITTLE, J. J., Rossett Green, The Avenue, Hipperholme, near Halifax. Oct. 4, 1934, No. 28377. [Class 40 (i)] [See also Groups XV and XXXIX] The invention comprises means for indicating priority of attainment of a result, e.g. in games, or for isolating the selected one of a number of telephone extensions. For indicating priority of attainment of a result, e.g. in card games, each player is provided with a switch i, Fig. 2, connected to one of the electromagnets a<1> .... a<6>, the cores of which extend radially away from a metallic ball or body c, supported resiliently by a member k, and through openings in a centrally bored block j of insulating material. A battery e has its contacts e<1>, e<2> connected to parts f and g connected to lamps or indicators d and switches i. On energization of one of the electromagnets the ball c is attracted into contact with the corresponding core to complete a circuit for the corresponding lamp or indicator d. The arrangement is such that when the ball c is attracted to one core, subsequent energization of another electromagnet is ineffective to remove the ball c. Fig. 3 shows the application of the invention to telephony, the ball c being connected to the local telephone exchange and resting against the core of the magnet m connected to the main house telephone instrument, and cores of similar magnets n<1> ... n<5> being connected to five extension lines. A call coming through on any of the lines represented by the magnets m, n<1> .... n<5>, causes attraction of the ball c to the corresponding magnet core and it is impossible for the call to be overheard on any of the other lines. Fig. 4 shows a construction in which the ball c is insulated at o from a contact p so that when the ball is attracted by energizing of a magnet the speaking circuit will be completed through the ball support c<1>, the contact p and a lead r, the magnet core not being included in the speaking circuit.
Patent GB-1219626-A (GB)
Title: Production of aromatic dithiocarboxylic acids and salts thereof
IPC: C07C327/02
Filed: 1968-06-14
Abstract: 1,219,626. Aromatic dithiocarboxylic acids. BADISCHE ANILIN- & SODA-FABRIK A.G. 14 June, 1968 [16 June, 1967], No. 28426/68. Heading C2C. A process for the production of aromatic dithiocarboxylic acids and salts thereof comprises reacting an aromatic monohalomethyl compound with elementary sulphur and an alkali metal alcoholate or alkaline earth metal alcoholate and subsequently acidifying the salt to produce the free acid if desired. The preparations of dithiobenzoic acid, p-chlorodithiobenzoic acid and 2,6-dichlorodithiobenzoic acid are described. Specified starting materials include chlorobromobenzyl chlorides, diethylbenzyl chlorides, methyloctylbenzyl chlorides, dicyclohexylbenzyl chlorides, chlorophenyll methylbenzyl chlorides, ethoxyphenylbenzychlorides, dihydroxybenzyl chlorides, iodomethoxybenzyl chlorides, dibutoxybenzyl chlorides, indole methyl chlorides, naphthalene methyl chlorides, quinoline methyl chlorides, benzopyrane methyl chlorides and anthracene methyl chlorides.
Patent GB-841869-A (GB)
Title: Improvements in or relating to pipe couplings
Inventor: PROSSER SIDNEY WALTER
IPC: F16L19/02
Filed: 1955-10-06
Abstract: 841,869. Pipe couplings. HEADLAND Ltd., T. P. Oct. 3, 1956 [Oct. 6, 1955], No. 28489/55. Addition to 770,425. Class 99(1). In the coupling described in the parent Specification wherein a seating member 2 is bored to fit over the end of a pipe 1 and has a surface which is fixed with respect to and is engageable with a surface on a seating member 3 to form a fluid-tight seal therebetween, the bore of the member 2 has a groove 5 extending radially outwards thereform and is secured in position on the pipe by bulging the material of the pipe radially outwards to fill or substantially fill the groove. The member 2 may be in the form of a ball or a double cone and be of steel or polytetrafluoroethylene. Specification 770,424 also is referred to.
Patent GB-732384-A (GB)
Title: Process for the production of unsymmetrical pyrophosphates
IPC: C07F9/24
Filed: 1952-11-12
Abstract: A process for the production of an unsymmetrical dialkyl bis-(dialkylamido) pyrophosphate comprises treating a dialkyl halo-orthophosphate with an alkyl bis-(dialkylamido) orthophosphate having not more than 6 carbon atoms in the alkyl group.  The halogen may be chlorine, bromine or iodine.  Reaction may be effected in a solvent such as toluene or xylene.  In examples, unsymmetrical diethyl bis-(dimethylamido) pyrophosphate is produced by reacting ethyl and methyl bis-(dimethylamido) orthophosphates respectively with ethyl chlorophosphate.
Patent GB-608625-A (GB)
Title: Electrical interconnectors and terminal blocks incorporating the same
IPC: H01R9/22
Filed: 1945-10-29
Abstract: 608,625. Distribution boards and panels. AIRCRAFT-MARINE PRODUCTS, Inc. Oct. 29, 1945, No. 28515. Convention date, Oct. 27, 1944. [Class 38 (i)] In a connector block 2, the interconnectors 5 have parallel blades 8, which are offset by an integral saddle 16 and have clips 10 distant from the blade ends to receive the terminal blades 12 which are of the construction described in Specification 604,684 with clips 14 to enhance the connection. The clips 10, which are a blade-thickness wide, have lugs 7 with contacts 26 to rub a conductor 27 in a rotatable bridge-contact 28 and thereby interconnect adjacent connectors 5. The lugs 7 lie in longitudinal channels 6, which are intersected by channels 4 for the cable terminals. The block 2 is cut to length and is provided with a cover 30 and ends 38 held in position by clips 32 mounted on brackets 34, which slide on ribs 44. In a modification, Fig. 5, an offset 16a replaces the saddle 16, the lugs 7 being dispensed with and a plastic sheath 2a insulates the connection. The blades 8a have different thicknesses to accommodate, correspondingly thick terminals 12, 12a. Alternatively, (Figs. 6, 7, not shown), the interconnector may be straight and have a boss at one end to compensate for the different terminal thicknesses. The Specification also describes an alternative form of end-bracket, Figs. 8 ... 11 (not shown), stamped from a single blank.
Patent GB-1303490-A (GB)
IPC: C07C241/00
Filed: 1970-06-12
Abstract: 1303490 Monoalkyl; monocycloalkyl and monoaralkyl hydrazines BADISCHE ANILIN- & SODA-FABRIK AG 12 June 1970 [13 June 1969] 28542/70 Heading C2C A process for the production of a monoalkyl. monocycloalkyl or monoaralkyl hydrazine comprises reducing the corresponding N-alkyl, N- cycloalkyl or N-aralkyl-N-nitrosohydroxylamine by reaction with sodium amalgam in an acid medium at a pH of from 2À0 to 6À8 in the presence of an organic solvent and/or suspension agent. The reaction is preferably carried out at a temperature of from -20 to + 50 C. using a sodium amalgam having a sodium content of from 0À05 to 5% by weight and an alcohol or aliphatic carboxylic acid as the solvent. The hydrazines may be converted to 1-alkyl, cycloalkyl or aralkyl-4,5-dichloropyridazone-(6) derivatives by reaction with mucochloric acid.